Cutting Unit Lift/Lower Problems - Toro Reelmaster 7000-D Service Manual

Cutting Unit Lift/Lower Problems

NOTE: Check InfoCenter Display for possible operator
advisories or faults whenever diagnosing machine elec-
trical problems.
Problem
None of the cutting units will lower and Operator
Advisory is displayed on InfoCenter (see Operator
Advisory list in this section).
None of the cutting units will lower and no Operator
Advisory is displayed on InfoCenter
None of the cutting units will raise.
Front cutting units will not raise or lower, but rear
cutting units will raise and lower.
Rear cutting units will not raise or lower, but front
cutting units will raise and lower.
Electrical System
NOTE: To lower the cutting units, the operator must be
in the operator seat and the speed limiter must be in the
LOW speed (mow) position. To raise the cutting units,
the operator must be in the operator seat.
Possible Causes
The speed limiter is in the HI speed (transport)
position.
Operator is not fully depressing the seat switch.
TEC fuse F−C1 (7.5 amp) protecting the circuits for
hydraulic valves S1 and S3 are faulty.
The seat switch or circuit wiring is faulty.
The speed limiter switch or circuit wiring is faulty.
Hydraulic valve solenoid(s) or circuit wiring to the lift
control manifold S1 or S3 is faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
The TEC is faulty.
TEC fuse F−B1 and/or F−C1 (7.5 amp) protecting the
circuits for hydraulic valves S1, S2 and S3 are faulty.
The seat switch or circuit wiring is faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
The TEC is faulty.
Lift control manifold solenoid coils S4 or circuit wiring is
faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
TEC is faulty.
Lift control manifold solenoid coils S5 or circuit wiring is
faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
TEC is faulty.
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